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June 13, 1933. BR TTEN, JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 1 @oocooooeg@QQOOQOGGC @0OOOOOOO Q @O@OOOOOO @OOOOOOOQ @QOOO0OOO @OQOOOOOOG?OOOQOOOO @OOOOOOOOOOOOGCDCDQOOG) 1] @OOOOOOOG @GQOOQOGQ @GOOOOOOO@OOOQOOGQ @OOOGOOOO 4 Q J a INVENTOR 0 June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE Filed Sept. 29, 1951 20 Sheets-Sheet 2 INVENTOREdW/QFBN-wQ A Y ATTORN EY June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 3 INVENTOR Z 'ZBriKZZeQJ/ fa: 4

ATTO-RNEY June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 4 INVENTOR dwin[E E/ atten. J7

k ATTORINEY June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE 20 Sheets-Sheet 5 Filed Sept. 29, 1931 I INVENTOREi'wv'n gBhittemJi- \J ZZL 1/05 1 ATTORNEY June 13, 1933. E. F. BRITTEN,JR

CALCULATING MACHINE 2o Sheets-Sheet 6 Filed Sept. 29, 1931 INVENTOR EiwmFB/Ztte .Jl" ,7 ATTORNEY June 13, 1933. E. F. BRITTEN. JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 7 INVENTOREdwz'n F: B) 1' tie Y n, I. 'ATTORNEY June 13, 1933. 5 F n- JR v1,913,973

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 8 OR Edwz' 17Britten, Tr.

E W -ATTORNEY E. F. BRITTEN, JR

CALCULATING MACHINE June 13, 1933.

Filed Sept. 29, 1931 20 Sheets-Sheet 9 INVENfOR I Edwv'n finite/MATTORNEY June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE Filed Sept. 29, 1931 2O Sheets-Sheet 10 11v VENTOREiwi I? 2 Bflitten, Wa -1 YTOANE V June 13, 1933. E. F. BRITTEN, JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet ll INVENTOREclwin g Br-ittemJF. d a ATTORNEY June 13, 1933. E. F. BRITTEN. JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet l2 INVENTOREdwin FBrifter J',

Jaw/M26 June 13, 1933. E. F. BRITTEN, JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1951 20 Sheets-Sheet 1s l/VVENTORE31 Win FBm'ttemjl.

W .4 TTORNE June 13, 1933- E. F. BRITTEN, JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 14 fi H25INVENTOR I 7% A TTORNEY Eamn F. Britten, fr.

June 1933- E. F. BRITTEN, JR CALCULATING MACHINE Filed Sept. 29, 1951 20Sheets-Sheet l5 June 13, E F BRlTTEN JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 16 INVENTOR mATTORNEY June 13, 1933. E. F. BRITTEN. JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1951 20 Sheets-Sheet 17 INVENTOREZWY'Q ZfirIZTe/ T ATTORNEY June 1933. E. F. BRITTEN. JR

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet l 8 AAAINVENTOR T 0 J1.

Edwin Br: J

m ATTORNEY June 13, 1933. E, F, BRnTEN JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1951 20 Sheets-Sheet 19 By Edwin -E"iZTErrJ/m June 13, 1933. v E. F- BR|TTEN JR 1,913,973

CALCULATING MACHINE Filed Sept. 29, 1931 20 Sheets-Sheet 2O 4 Set UP451'6'35 Q Edwin FBr31ten.\fi".

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